Removing
1. Drain the coolant (see «Coolant - replacement»).
2. Remove the air filter (see «Air filter - removal and installation»).
3. Disconnect the wiring harness from the coolant temperature sensor (see «Coolant temperature sensor - check and replace»).
4. Using a Phillips screwdriver, loosen the clamps securing the two hoses to the thermostat nozzles.
5. Disconnect the coolant pump supply pipe hose from the thermostat nozzles...
... and a hose for supplying fluid to the radiator.
6. Using a 13 mm wrench, unscrew the two nuts securing the thermostat housing.
7. Remove the thermostat from the studs. If necessary, unscrew and remove the temperature sensor from the thermostat housing.
8. Remove the sealing gasket from the studs.
Installation
1. Install the thermostat in reverse order, replacing the gasket with a new one.
2. Fill the system with coolant (see «Coolant - replacement»).
3. We make sure that there is no leakage of liquid at the junctions of the hoses with the thermostat. Tighten the hose clamps if necessary.